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V PUBLICATION-TRIGNOMETRC FUNCTIONS-QUESTION BANK
- Find sin(x/2) , cos(x/2) and tan(x/2) if cosx=(-1/3) and x lies in the...
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- Find sin(x/2), cos(x/2) and tan(x/2) if sinx=1/4 and x lies in the sec...
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- Prove that (sin x)/(1+cos x)=tan (x/2) Find the domain and range of f(...
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- Hence write the value of cos 75^@.
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- If (sin (x+y))/(sin (x-y))=(a+b)/(a-b), show that a tan y=b tan x
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- Prove that cos 24^(circ)+cos 55^(circ)+cos 125^(circ)+cos 204^(circ)+...
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- Prove that sqrt(2+sqrt(2+sqrt(2+2 cos 8 theta)))=2 cos theta
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- Solve the following equations 2 tan theta-cot theta=-1
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- If A+B=45^(circ), prove that (cot A-1)(cot B-1) = 2
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- Show that (sin (180^(circ)+A) cos (90^(circ)-A) tan (270^(circ)+A))/(s...
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- Prove that cos ^(4) (pi)/(8)+cos ^(4) (3 pi)/(8)+cos ^(4) (5 pi)/(8)+c...
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- Prove that (sin 3 x+sin x) sin x+(cos 3 x-cos x)cosx=0
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- If an arc of length l of a circle of radius r subtends an angle theta ...
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- A cow is tied to a post with a rope of 20 m long .If it moves along a ...
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- Three points A, B, C are marked in the stem of a coconut trees so that...
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- Prove that sin ^(2) A cos ^(2) B+cos ^(2) A sin ^(2) B+cos ^(2) A cos ...
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- Prove that sqrt((1+cosA)/(1-cos A))=cosecA+cot A
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- Prove that 2 sec ^(2) theta-2 cosec^2theta-sec ^(4) theta+cosec^4 thet...
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- Prove that (sec A-cosec A)(1+tan A+cot A)=tan A secA + cotA cosec A
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- If cos theta+sin theta=sqrt(2) cos theta,then show that cos theta-sin...
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